{"id":112507,"date":"2017-11-24T06:30:26","date_gmt":"2017-11-23T22:30:26","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=112507"},"modified":"2017-11-23T16:33:03","modified_gmt":"2017-11-23T08:33:03","slug":"sci-china-chem-%ef%bc%9a%e5%88%86%e7%ba%a7%e7%ba%b3%e7%b1%b3%e7%bb%93%e6%9e%84%e5%a4%9a%e5%ad%94tio2b%e5%be%ae%e7%90%83%e9%ab%98%e6%95%88%e5%85%89%e5%82%ac%e5%8c%96%e8%bf%98%e5%8e%9fco2","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=112507","title":{"rendered":"Sci. China Chem.\uff1a\u5206\u7ea7\u7eb3\u7c73\u7ed3\u6784\u591a\u5b54TiO2(B)\u5fae\u7403\u9ad8\u6548\u5149\u50ac\u5316\u8fd8\u539fCO2"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u5728\u5149\u50ac\u5316\u5242\u4f5c\u7528\u4e0b\uff0c\u5229\u7528\u592a\u9633\u80fd\u5c06CO2<\/sub>\u8f6c\u5316\u6210\u53ef\u518d\u751f\u7684\u7532\u70f7\u548c\u7532\u9187\u7b49\u78b3\u6c22\u71c3\u6599\uff0c\u662f\u4e00\u79cd\u51cf\u5c11\u5927\u6c14\u4e2dCO2<\/sub>\u7684\u6709\u6548\u65b9\u6cd5\u3002\u540c\u65f6\uff0c\u5229\u7528\u5149\u50ac\u5316\u6280\u672f\uff0c\u53ef\u4ee5\u6291\u5236\u6e29\u5ba4\u6548\u5e94\u5e76\u51cf\u5c11\u5316\u77f3\u71c3\u6599\u7684\u6d88\u8017\u3002\u76ee\u524d\uff0c\u5df2\u6709\u5f88\u591a\u7814\u7a76\u62a5\u9053\u4e86\u7528\u4e8e\u5149\u50ac\u5316\u8fd8\u539fCO2<\/sub>\u7684\u534a\u5bfc\u4f53\u5149\u50ac\u5316\u5242\u3002\u5176\u4e2d\uff0cTiO2<\/sub>\u7531\u4e8e\u5176\u663e\u8457\u7684\u5149\u50ac\u5316\u6027\u80fd\u3001\u4f4e\u7684\u6210\u672c\u3001\u597d\u7684\u5149\u7a33\u5b9a\u6027\u4ee5\u53ca\u4f4e\u6bd2\u6027\u7b49\u4f18\u52bf\uff0c\u5f97\u5230\u4e86\u5e7f\u6cdb\u7814\u7a76\u3002<\/p>\n

\u4f17\u591a\u5468\u77e5\uff0c\u534a\u5bfc\u4f53\u7684\u6676\u578b\u7ed3\u6784\u5bf9\u5176\u7269\u7406\u548c\u5316\u5b66\u6027\u80fd\u6709\u91cd\u8981\u5f71\u54cd\uff0c\u5e76\u6700\u7ec8\u51b3\u5b9a\u4e86\u5b83\u7684\u5149\u50ac\u5316\u6027\u80fd\u3002\u4e00\u822c\u6765\u8bf4\uff0cTiO2<\/sub>\u4e3b\u8981\u5305\u62ec\u56db\u79cd\u6676\u578b\uff1a\u9510\u949b\u77ff\u578b\u3001\u91d1\u7ea2\u77f3\u578b\u3001\u677f\u949b\u77ff\u578b\u4ee5\u53caTiO2<\/sub>(B)\u3002\u5176\u4e2d\uff0c\u9510\u949b\u77ff\u578b\u548c\u91d1\u7ea2\u77f3\u578b\u7531\u4e8e\u5149\u50ac\u5316\u6027\u548c\u7a33\u5b9a\u6027\u4f18\u5f02\uff0c\u6240\u4ee5\u76f8\u5173\u7814\u7a76\u6700\u4e3a\u5e7f\u6cdb\u3002TiO2<\/sub>(B)\u662f\u4e9a\u7a33\u6001\u76f8\uff0c\u7981\u5e26\u5bbd\u5ea6\u6bd4\u9510\u949b\u77ff\u578b\uff08TiO2<\/sub>(A)\uff09\u66f4\u5bbd\u3002\u4ece\u70ed\u529b\u5b66\u7684\u89d2\u5ea6\uff0c\u66f4\u5bbd\u7684\u7981\u5e26\u8d4b\u4e88\u8f7d\u6d41\u5b50\u66f4\u5f3a\u7684\u8fd8\u539f\u80fd\u529b\u3002\u4f46\u662f\uff0c\u4e0e\u5176\u4ed6\u4e09\u79cd\u6676\u578b\u76f8\u6bd4\uff0c\u4e9a\u7a33\u6001\u7684TiO2<\/sub>(B)\u5e38\u88ab\u7528\u4f5c\u9502\u79bb\u5b50\u7535\u6c60\u7684\u8d1f\u6781\u6750\u6599\uff0c\u800c\u5f88\u5c11\u88ab\u7528\u4e8e\u5149\u50ac\u5316\u3002\u76ee\u524d\u5e76\u6ca1\u6709\u5173\u4e8eTiO2<\/sub>(B)\u7528\u4e8e\u5149\u50ac\u5316\u8fd8\u539fCO2<\/sub>\u7684\u7814\u7a76\u62a5\u9053\u3002<\/p>\n

\u6b64\u5916\uff0c\u6676\u4f53\u7684\u5f62\u8c8c\u7ed3\u6784\u662f\u5f71\u54cd\u5149\u50ac\u5316\u6027\u80fd\u7684\u53e6\u4e00\u91cd\u8981\u56e0\u7d20\u3002\u81ea\u7ec4\u88c5\u5f62\u6210\u5206\u7ea7\u7eb3\u7c73\u7ed3\u6784\u53ef\u6709\u6548\u63d0\u5347\u53cd\u5e94\u7269\u5438\u9644\u5e76\u4fc3\u8fdb\u5176\u8f6c\u5316\u3002\u867d\u7136\u5df2\u6709\u7814\u7a76\u62a5\u9053\u4e86\u5fae\u6ce2\u8f85\u52a9\u6eb6\u5242\u6cd5\u5236\u5907\u7eb3\u7c73\u7247\u6784\u6210\u7684TiO2<\/sub>(B)\u5fae\u7c73\u9897\u7c92\uff0c\u4f46\u662f\u4ea7\u7269\u4e2d\u6b8b\u7559\u5927\u91cf\u7684\u6709\u673a\u7269\uff0c\u800c\u4e14\u5176\u5149\u50ac\u5316\u8fd8\u539fCO2<\/sub>\u7684\u6027\u80fd\u5e76\u672a\u88ab\u7814\u7a76\u3002<\/p>\n

\u3010\u6210\u679c\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u6b66\u6c49\u7406\u5de5\u5927\u5b66<\/strong>\u4f59\u5bb6\u56fd\u6559\u6388<\/strong>\u8054\u5408\u6606\u58eb\u5170\u79d1\u6280\u5927\u5b66\u7684<\/strong>Jingsan Xu<\/strong>\u5728Sci China Chem.<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cHierarchically nanostructured porous TiO2<\/sub>(B) with superior photocatalytic CO2<\/sub> reduction activity\u201d<\/strong>\u7684\u6587\u7ae0\u3002<\/p>\n

\u7814\u7a76\u8005\u4eec\u5229\u7528\u5fae\u6ce2\u8f85\u52a9\u6eb6\u5242\u70ed\u6cd5\u5236\u5907\u4e86\u591a\u5b54\u5206\u7ea7\u7ed3\u6784\u7684TiO2<\/sub>(B)\u5fae\u7403\uff0c\u5e76\u4e14\u5728350o<\/sup>C\u4e0b\u7a7a\u6c14\u6c14\u6c1b\u4e2d\u70ed\u5904\u7406\u540e\uff0c\u6b8b\u7559\u6709\u673a\u7269\u88ab\u9664\u53bb\u3002\u4ed6\u4eec\u5bf9\u70ed\u5904\u7406\u540e\u7684TiO2<\/sub>(B)\u9897\u7c92\u8fdb\u884c\u4e86\u8be6\u7ec6\u7684\u5f62\u8c8c\u3001\u7ed3\u6784\u548c\u6027\u80fd\u5206\u6790\uff0c\u5e76\u91c7\u7528TiO2<\/sub>(A)\u548cP25\uff08\u9510\u949b\u77ff\u578b\u548c\u91d1\u7ea2\u77f3\u578bTiO2<\/sub>\u7684\u6df7\u5408\u7269\uff09\u4f5c\u4e3a\u53c2\u7167\u5149\u50ac\u5316\u5242\u3002<\/p>\n

\u7814\u7a76\u8868\u660e\uff0cTiO2<\/sub>(B)\u9897\u7c92\u7531\u539a\u5ea6\u7ea630 nm\u7684\u8d85\u8584\u7eb3\u7c73\u7247\u6784\u6210\uff0c\u6700\u7ec8\u5f62\u6210\u4e09\u7ef4\u7684\u591a\u5b54\u7ed3\u6784\u3002\u8be5\u7ed3\u6784\u5177\u6709\u9ad8\u7684\u6bd4\u8868\u9762\u79ef\uff0c\u4e3aCO2<\/sub>\u5438\u6536\u53ca\u8f6c\u5316\u63d0\u4f9b\u5927\u91cf\u7684\u6d3b\u6027\u4f4d\u70b9\uff1b\u5e76\u4e14\u5177\u6709\u6bd4TiO2<\/sub>(A)\u66f4\u5bbd\u7684\u7981\u5e26\u5bbd\u5ea6\uff0c\u6709\u5229\u4e8eCO2<\/sub>\u7684\u8f6c\u5316\u3002\u591a\u5b54\u5206\u7ea7\u7ed3\u6784\u7684TiO2<\/sub>(B)\u5728CO2<\/sub>\u8fd8\u539f\u6210\u7532\u70f7\u548c\u7532\u9187\u7684\u8fc7\u7a0b\u4e2d\u5c55\u73b0\u51fa\u4f18\u5f02\u7684\u5149\u50ac\u5316\u6d3b\u6027\u3002\u77ac\u65f6\u5149\u7535\u6d41\u6d4b\u8bd5\u4e5f\u8bc1\u660e\u4e86TiO2<\/sub>(B)\u6bd4\u53c2\u7167\u5149\u50ac\u5316\u5242\u5177\u6709\u66f4\u9ad8\u7684\u5149\u50ac\u5316\u6d3b\u6027\u3002\u6b64\u5916\uff0c\u4ed6\u4eec\u8fd8\u5229\u7528\u539f\u4f4d\u7ea2\u5916\u5149\u8c31\u6d4b\u8bd5\u9a8c\u8bc1\u4e86\u4e2d\u95f4\u4f53\u7684\u5f62\u6210\uff0c\u5e76\u63a8\u6d4b\u4e86CO2<\/sub>\u7684\u8f6c\u5316\u8fc7\u7a0b\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe<\/strong>1 <\/strong>\u591a\u5b54\u5206\u7ea7\u7ed3\u6784\u7684<\/strong>TiO2<\/sub>(B)<\/strong>\u9897\u7c92\u7684\u5f62\u8c8c<\/strong><\/p>\n

\"\"<\/p>\n

\u591a\u5b54\u5206\u7ea7\u7ed3\u6784\u7684TiO2<\/sub>(B)\u9897\u7c92\u7684\uff08a\u3001b\uff09FESEM\u56fe\uff1b\uff08c\uff09 TEM \u56fe\uff1b\uff08d\uff09HRTEM\u56fe\u3002<\/p>\n

\u56fe<\/strong>2\u00a0<\/strong>\u4e0d\u540c\u6e29\u5ea6\u4e0b\u70ed\u5904\u7406\u540e\uff0c\u4ea7\u7269\u5f62\u8c8c\u7684\u53d8\u5316<\/strong><\/p>\n

\"\"<\/p>\n

\u672a\u70ed\u5904\u7406\u7684\u4ee5\u53ca\u5728\u4e0d\u540c\u6e29\u5ea6\u4e0b\u70ed\u5904\u7406\u540eTiO2<\/sub>(B)\u4ea7\u7269\u7684\u5f62\u8c8c\u56fe<\/p>\n

\u56fe<\/strong>3\u00a0<\/strong>\u70ed\u5206\u6790\u548c\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u672a\u70ed\u5904\u7406\u7684TiO2<\/sub>(B)\u5728\u7a7a\u6c14\u6c14\u6c1b\u4e2d\u7684TG-DTA\u66f2\u7ebf\uff1b<\/p>\n

\uff08b\uff09\u672a\u70ed\u5904\u7406\u7684TiO2<\/sub>(B)\u7684FTIR\u56fe\u8c31\uff1b<\/p>\n

\uff08c\uff09TiO2<\/sub>(B)\u3001TiO2<\/sub>(A)\u7684XRD\u56fe\u8c31\u4ee5\u53ca\u76f8\u5bf9\u5e94\u7684PDF\u6807\u51c6\u5361\u7247\uff1b<\/p>\n

\uff08d\uff09\u672a\u70ed\u5904\u7406\u7684TiO2<\/sub>(B)\u3001TiO2<\/sub>(B)\u4ee5\u53caTiO2<\/sub>(A)\u7684\u62c9\u66fc\u56fe\u8c31\u3002<\/p>\n

\u56fe<\/strong>4 TiO2<\/sub>(B)<\/strong>\u548c<\/strong>TiO2<\/sub>(A)<\/strong>\u7684\u6bd4\u8868\u9762\u79ef\u3001\u5b54\u5206\u5e03\u4ee5\u53ca\u80fd\u5e26\u7ed3\u6784<\/strong><\/p>\n

\"\"<\/p>\n

TiO2<\/sub>(B)\u548cTiO2<\/sub>(A)\u7684\uff08a\uff09XPS\u56fe\u8c31\uff1b\uff08b\uff09Ti 2p\u7684\u9ad8\u5206\u8fa8\u7387XPS\u56fe\u8c31\uff1b\uff08c\uff09O 1s\u7684\u9ad8\u5206\u8fa8\u7387XPS\u56fe\u8c31\uff1b\uff08d\uff09N2<\/sub>\u5438\u9644-\u8131\u9644\u66f2\u7ebf\u4ee5\u53ca\u5bf9\u5e94\u7684\u5b54\u5206\u5e03\u66f2\u7ebf\uff08\u63d2\u56fe\uff09\uff1b\uff08e\uff09UV-vis\u6f2b\u53cd\u5c04\u5149\u8c31\uff1b\uff08f\uff09Mott-Schottky\u66f2\u7ebf\u3002<\/p>\n

\u56fe<\/strong>5 CO2<\/sub><\/strong>\u7684\u5438\u9644\u548c\u8fd8\u539f<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09TiO2<\/sub>(B)\u548cTiO2<\/sub>(A)\u7684CO2<\/sub>\u5438\u9644\u66f2\u7ebf\uff1b<\/p>\n

\uff08b\uff09TiO2<\/sub>(B)\u3001TiO2<\/sub>(A)\u548cP25\u57281\u5c0f\u65f6\u5149\u7167\u540eCH4<\/sub>\u548cCH3<\/sub>OH\u7684\u4ea7\u91cf\uff1b<\/p>\n

\uff08c\uff09TiO2<\/sub>(B)\u3001\uff08d\uff09TiO2<\/sub>(A)\u50ac\u5316\u4f5c\u7528\u4e0b\uff0cCH4<\/sub>\u548cCH3<\/sub>OH\u7684\u4ea7\u91cf\u4e0e\u53cd\u5e94\u65f6\u95f4\u7684\u5173\u7cfb\u66f2\u7ebf\u3002<\/p>\n

\u56fe<\/strong>6 <\/strong>\u4ea7\u7269\u4e2d\u78b3\u6765\u6e90\u7684\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

TiO2<\/sub>(B)\u50ac\u5316\u4f5c\u7528\u4e0b\uff0c\u4e0d\u540c\u540c\u4f4d\u7d20\u6807\u8bb0\u4e0b\u7684\uff08a\uff0912<\/sup>CO2<\/sub>\uff0c\uff08b\uff0913<\/sup>CO2<\/sub>\u53cd\u5e94\u540eCH4<\/sub>\u7684\u8d28\u8c31\u56fe\u3002<\/p>\n

\u56fe<\/strong>7 \u00a0<\/strong>\u5149\u7535\u5316\u5b66\u6027\u80fd\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

LED\u5149\uff08\u03bb=365 nm\uff09\u8f90\u7167\u4e0b\uff0c0.5 M\u7684Na2<\/sub>SO4<\/sub>\u6c34\u6eb6\u6db2\u4e2d\uff0cTiO2<\/sub>(B)\u548cTiO2<\/sub>(A)\u7684\u77ac\u65f6\u5149\u7535\u6d41\u66f2\u7ebf\u3002<\/p>\n

\u56fe<\/strong>8 CO2<\/sub><\/strong>\u6d3b\u5316\u548c\u8f6c\u5316\u8fc7\u7a0b\u4e2d\u5f62\u6210\u4e2d\u95f4\u4f53\u7684\u9a8c\u8bc1<\/strong><\/p>\n

\"\"<\/p>\n

\u4e0d\u540c\u53cd\u5e94\u6761\u4ef6\u4e0b\uff0cTiO2<\/sub>(B)\u6837\u54c1\u7684\u539f\u4f4dFTIR\u56fe\u8c31\uff1a\uff081\uff09\u6ca1\u6709\u5149\u7167\u548cCO2<\/sub>\uff1b\uff082-5\uff09\u6ca1\u6709\u5149\u7167\uff0cCO2<\/sub>\u548cH2<\/sub>O\u5171\u5b58\u4e0b\uff0c\u6bcf\u969415\u5206\u949f\u53d6\u6837\uff1b\uff086-9\uff09LED\u5149\uff08\u03bb=365 nm\uff09\u8f90\u7167\u4e0b\uff0cCO2<\/sub>\u548cH2<\/sub>O\u5171\u5b58\u4e0b\uff0c\u6bcf\u969415\u5206\u949f\u53d6\u6837\u3002<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

\u672c\u6587\u4e2d\uff0c\u7814\u7a76\u4eba\u5458\u5229\u7528\u5fae\u6ce2\u8f85\u52a9\u6eb6\u5242\u70ed\u6cd5\uff0c\u5e76\u7ed3\u5408\u70ed\u5904\u7406\uff0c\u6210\u529f\u5236\u5907\u4e86\u7a33\u5b9a\u7684\u3001\u591a\u5b54\u5206\u7ea7\u7ed3\u6784\u7684TiO2<\/sub>(B)\u4e9a\u7a33\u76f8\u3002\u8be5\u7ed3\u6784\u7531\u8d85\u8584\u7eb3\u7c73\u7247\u6784\u6210\u7684\uff0c\u5177\u6709\u5927\u7684\u6bd4\u8868\u9762\u79ef\uff0c\u4e3aCO2<\/sub>\u5438\u6536\u548c\u8f6c\u5316\u63d0\u4f9b\u5927\u91cf\u7684\u6d3b\u6027\u4f4d\u70b9\u3002\u4e0e\u9510\u949b\u77ff\u578bTiO2<\/sub>\u548c\u5546\u7528P25\u76f8\u6bd4\uff0cTiO2<\/sub>(B)\u5c55\u73b0\u51fa\u66f4\u4e3a\u4f18\u5f02\u7684\u5149\u50ac\u5316\u8fd8\u539fCO2<\/sub>\u7684\u6548\u7387\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aHierarchically nanostructured porous TiO2<\/sub>(B) with superior photocatalytic CO2<\/sub> reduction activity<\/a>\uff08Sci China Chem. 2017, DOI:10.1007\/s11426-017-9174-9 \uff09<\/p>\n

\u672c\u6587\u7531Sci. China Chem.\u7f16\u8f91\u90e8\u63d0\u4f9b\uff0c\u6750\u6599\u4eba\u7f16\u8f91\u90e8maggie\u7f16\u8f91\uff0c\u8d75\u98de\u9f99\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002\u00a0<\/p>\n

\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong>\u6d4b\u8bd5\u8c37<\/strong><\/a>!<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

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